additional comment

Author: CoderMJLee

MJExtensionExample/MJExtensionExample.xcodeproj/project.xcworkspace/xcuserdata/mj.xcuserdatad/UserInterfaceState.xcuserstate

@@ -87,9 +87,11 @@ - (void)setKeyValues:(NSDictionary *)keyValues
         if (ivar.type.typeClass && !ivar.type.isFromFoundation) {
             value = [ivar.type.typeClass objectWithKeyValues:value];
         } else if (ivar.type.typeClass == [NSString class] && [value isKindOfClass:[NSNumber class]]) {
+            // NSNumber -> NSString
             NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
             value = [fmt stringFromNumber:value];
         } else if (ivar.type.typeClass == [NSNumber class] && [value isKindOfClass:[NSString class]]) {
+            // NSString -> NSNumber
             NSNumberFormatter *fmt = [[NSNumberFormatter alloc] init];
             value = [fmt numberFromString:value];
         } else if ([self respondsToSelector:@selector(objectClassInArray)]) {